package/qpid-proton: set CPE variables

cpe:2.3:a:apache:qpid_proton is a valid CPE identifier for this package:

  https://nvd.nist.gov/products/cpe/search/results?namingFormat=2.3&keyword=cpe%3A2.3%3Aa%3Aapache%3Aqpid_proton

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/qpid-proton/qpid-proton.mk

@@ -9,6 +9,8 @@ QPID_PROTON_SITE = http://apache.panu.it/qpid/proton/$(QPID_PROTON_VERSION)
 QPID_PROTON_STRIP_COMPONENTS = 2
 QPID_PROTON_LICENSE = Apache-2.0
 QPID_PROTON_LICENSE_FILES = LICENSE
+QPID_PROTON_CPE_ID_VENDOR = apache
+QPID_PROTON_CPE_ID_PRODUCT = qpid_proton
 QPID_PROTON_INSTALL_STAGING = YES
 QPID_PROTON_DEPENDENCIES = \
 	host-python \